SnapProcessor: print ip on connection error

Author: pschatzmann

src/api/SnapProcessor.h

@@ -222,7 +222,11 @@ class SnapProcessor {
     if (p_client->connected()) return true;
     p_client->setTimeout(CONFIG_CLIENT_TIMEOUT_SEC);
     if (!p_client->connect(server_ip, server_port)) {
-      ESP_LOGE(TAG, "... socket connect failed errno=%d", errno);
+      char str_address[50];
+      sprintf(str_address, "%d.%d.%d.%d:%d", server_ip[0], server_ip[1],
+            server_ip[2], server_ip[3], server_port);
+
+      ESP_LOGE(TAG, "Socket connect to %s failed errno=%d", str_address, errno);
       delay(4000);
       return false;
     }